CN218396524U

CN218396524U - Laser pipe cutting chuck

Info

Publication number: CN218396524U
Application number: CN202221529157.XU
Authority: CN
Inventors: 牟燕峰; 钟德峰; 朱其楚
Original assignee: Changzhou Biyoute Machinery Technology Co ltd
Current assignee: Changzhou Biyoute Machinery Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2023-01-31
Anticipated expiration: 2032-06-16

Abstract

The utility model provides a laser pipe cutting chuck, which comprises a disk body with a central hole, wherein the upper side, the lower side, the left side and the right side of the central hole of the disk body are respectively and fixedly provided with a cylinder, four sets of clamping mechanisms which are respectively connected with the cylinder in a transmission way, and a synchronizing mechanism which is used for realizing the synchronous motion of each two sets of clamping mechanisms respectively in the up-down direction and the left-right direction; the cylinder comprises a cylinder body, a piston rod and two guide rods; the cylinder body comprises an airtight chamber positioned in the middle and guide rod movable chambers respectively positioned at two sides of the airtight chamber, the inner side of the airtight chamber is provided with a piston rod telescopic hole, and the inner side and the outer side of each guide rod movable chamber are provided with guide rod telescopic holes; the piston rod can stretch and retract by depending on a piston rod telescopic hole of the airtight chamber, and two guide rods are movably arranged in two guide rod movable chambers respectively and can extend out of the guide rod telescopic holes; each cylinder is connected with a set of clamping mechanism by a piston rod and the inner ends of the two guide rods in a transmission way. The utility model discloses for current like chuck, overall structure is simple, and manufacturing cost is lower.

Description

Laser pipe cutting chuck

Technical Field

The utility model relates to a supplementary worker utensil technical field of laser pipe cutting, concretely relates to chuck of laser pipe cutting.

Background

The chuck is a necessary auxiliary tool for the laser cutting machine during working, and when the laser cutting machine is used for cutting and processing workpieces such as pipes, the workpiece is clamped or clamped by the chuck and rotates to be matched with the laser cutting machine for processing the workpiece. Chinese patent document No. CN113210905a discloses a laser pipe cutting chuck, which is provided with four driving cylinders 31 as power sources on a chuck body 1 with a central hole 11, the four driving cylinders 31 are respectively provided with a group in left and right directions and up and down directions, each driving cylinder 31 is in transmission connection with a slide block 21, each slide block 21 is provided with a clamping rod 2 and a butting wheel 221, two ends of each two slide blocks 21 in the same group in up and down directions and left and right directions are respectively in sliding connection with a guide rod 4, and two ends of each guide rod 4 are respectively fixed on the chuck body 1 through a rod seat 41; the synchronous movement between two groups of clamping rods 2 in the up-down direction and the left-right direction is realized by two groups of synchronous components consisting of flexible connecting pieces 51 and pull rods 6. The laser pipe cutting chuck better solves the problem that two groups of clamping rods 2 clamp the processed workpiece in the using process synchronously, but still has the following technical problems needing improvement: firstly, the four sliders 21 and the four guide rods 4 are designed in the structure, so that the space of the central hole 11 of the chuck body 1 is occupied, the size range of a workpiece to be processed which can be clamped is reduced, and the cost performance of the chuck is influenced; meanwhile, the lengths of the clamping rods 2 and the butting wheels 221 are limited, and the stability of clamping the workpiece is influenced. Secondly, the whole structure of the chuck is relatively complex, the assembling and processing requirements are high, and the two groups of components in the vertical direction and the left-right direction cannot be used universally due to different sizes and the like, and need to be processed and manufactured respectively, so that the whole manufacturing cost of the chuck is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: in order to solve the problems in the prior art, the laser pipe cutting chuck with the improved structure is provided.

The technical scheme of the utility model is that: the utility model discloses a laser pipe cutting chuck, including the disk body that middle department was equipped with the centre bore, fixed locate on above-mentioned disk body and in the centre bore of disk body about, the position respectively fixed cylinder that sets up one, four sets of fixture that respectively are connected with the transmission of an above-mentioned cylinder for the synchronous mechanism to each two sets of fixture difference synchronous motion about and about realizing, its structural feature is: the cylinder comprises a cylinder body, a piston rod and two guide rods; the cylinder body comprises an airtight chamber positioned in the middle and guide rod movable chambers respectively positioned at two sides of the airtight chamber, wherein the inner side of the airtight chamber is provided with a piston rod telescopic hole, and the inner side and the outer side of each guide rod movable chamber are respectively provided with a guide rod telescopic hole; the piston rod can stretch and retract depending on the piston rod telescopic hole of the airtight chamber, two guide rods are movably arranged in the two guide rod movable chambers respectively, and the inner end and the outer end of each guide rod can extend out of the guide rod telescopic holes on the inner side and the outer side of the corresponding guide rod movable chamber; each cylinder is connected with a set of clamping mechanism by a piston rod and the inner ends of two guide rods in a transmission way.

The further scheme is as follows: the clamping mechanism comprises a clamping rod mounting arm, a clamping rod and a clamping roller, wherein the clamping rod and the clamping roller are arranged on the clamping rod mounting arm; each clamping mechanism is fixedly connected with the piston rod of one corresponding air cylinder and the inner ends of the two guide rods through a clamping rod mounting arm of the clamping mechanism.

The further scheme is as follows: the synchronous mechanism comprises four flexible connecting pieces, four reversing wheels and four reversing wheel mounting columns; the four reversing wheel mounting columns are fixedly arranged on the disc body, and one reversing wheel is rotatably arranged on each reversing wheel mounting column; two ends of each of two flexible connecting pieces in the four flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the vertical direction, two ends of the other two flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the left-right direction, and each flexible connecting piece bypasses one reversing wheel to realize tensioning and reversing.

The further scheme is as follows: the synchronous mechanism comprises eight flexible connectors, eight reversing wheels and eight reversing wheel mounting columns; the eight reversing wheel mounting columns are fixedly arranged on the disc body, and one reversing wheel is rotatably arranged on each reversing wheel mounting column; and two ends of each of four flexible connecting pieces in the eight flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the vertical direction, two ends of the other four flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the left-right direction, and each flexible connecting piece bypasses one reversing wheel to realize tensioning and reversing.

The further scheme is as follows: the flexible connecting piece is a chain, or a steel belt, or a synchronous belt, or a steel wire rope.

The utility model discloses has positive effect: (1) The utility model discloses a locate two guide bars in the cylinder block of cylinder and the fixture's of supporting fixture's clamping bar installation arm isotructure design with it, the centre bore space that can effectively solve among the prior art chuck is taken by the guide bar and is makeed the size range of the processed work piece of centre gripping reduce, influences the technical problem of the price/performance ratio of chuck. (2) The utility model discloses a design of cylinder and fixture structure separately and install complex structural design each other, four cylinders and the same interchangeable of four sets of fixture structures that are connected with it, overall structure is simple to chuck processing assembly is more simple than prior art the same, and whole manufacturing cost obviously reduces. (3) The utility model discloses a synchronizing mechanism is for the synchronizing assembly who constitutes such as the pull rod that includes flexonics spare, be connected with flexonics spare of the same kind chuck among the prior art, and the structure is more succinct, and it is more convenient to install, and the cost is lower.

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of the left-right direction component of FIG. 2;

fig. 4 is a schematic structural view of fig. 2 with relevant components in the up-down direction removed.

The reference numbers in the above figures are as follows:

the disc body 1 is provided with a central hole 11; the device comprises a cylinder 2, a cylinder body 21, a guide rod telescopic hole 21-1, a piston rod 22 and a guide rod 23; the clamping mechanism 3, a clamping rod mounting arm 31, a clamping rod 32 and a clamping roller 33; the synchronous mechanism 4, the flexible connecting piece 41, the reversing wheel 42 and the reversing wheel mounting column 43.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

(example 1)

Referring to fig. 1 to 4, the laser pipe cutting chuck of the present embodiment mainly includes a disk body 1, a cylinder 2, a clamping mechanism 3, and a synchronizing mechanism 4.

Disk body 1 is whole discoid structure, and the centre department of disk body 1 is equipped with the centre bore 11 that is used for being passed through by the centre gripping work piece when using to going through from beginning to end, and centre bore 11 can adopt the round hole, also can adopt the square hole, and the preferred square hole that adopts of centre bore 11 of this embodiment.

The cylinder 2 mainly comprises a cylinder body 21, a piston rod 22 and two guide rods 23; the cylinder block 21 is integrally formed by an airtight chamber in the middle and guide rod movable chambers respectively positioned on two sides of the airtight chamber, a piston rod telescopic hole is formed in the inner side of the airtight chamber of the cylinder block 21, and guide rod telescopic holes 21-1 are respectively formed in the inner side and the outer side of the guide rod movable chamber of the cylinder block 21; the piston rod 22 is telescopic depending on a piston rod telescopic hole of an airtight chamber of the cylinder block 21, two guide rods 23 are movably arranged in the two guide rod movable chambers respectively, and the inner end and the outer end of each guide rod 23 can extend out of the guide rod telescopic holes 21-1 at the inner side and the outer side of the corresponding guide rod movable chamber. The four cylinders 2 are respectively and fixedly arranged on the front end surface of the disc body 1 in an up-down, left-right mode, and are four in total, and two cylinders 2 in the up-down direction in the four cylinders 2 are oppositely arranged into a group; two cylinders 2 in the left-right direction are oppositely arranged as one set.

The clamping mechanism 3 mainly comprises a clamping rod mounting arm 31, a clamping rod 32 and a clamping roller 33; the clamping lever 32 and the clamping roller 33 are provided on the clamping lever mounting arm 31. The clamping mechanisms 3 are provided with four sets with the same structure, and each set of clamping mechanism 3 is fixedly connected with the piston rod 22 of one cylinder 2 and the inner ends of the two guide rods 23 through the clamping rod mounting arm 31, so that each set of clamping mechanism 3 can move towards or away from the central hole 11 of the disc body 1 under the driving of the corresponding cylinder 2 to clamp or release a workpiece to be processed in use. In the four sets of clamping mechanisms 3, two sets of clamping mechanisms 3 are oppositely arranged in a group in the vertical direction, and the other two sets of clamping mechanisms 3 are oppositely arranged in a group in the left-right direction.

In the embodiment, the four cylinders 2 and the four sets of clamping mechanisms 3 connected with the cylinders 2 are identical in structure and simple in overall structure through respective structural design and mutual installation and matching structural design of the cylinders 2 and the clamping mechanisms 3, so that compared with the similar chucks in the prior art, the assembly and processing are simple, and the overall manufacturing cost is obviously reduced; meanwhile, through the structural design that the two guide rods 23 are arranged in the cylinder body 21 of the cylinder 2 and the clamping rod mounting arms 31 of the clamping mechanism 3 matched with the guide rods, the technical problem that in the prior art, the size range of a processed workpiece which can be clamped is reduced due to the fact that the center hole space of the chuck is occupied by the guide rods, and the cost performance of the chuck is affected can be effectively solved.

Referring to fig. 3 and 4, the synchronizing mechanism 4 is used for realizing respective synchronous movement between the two sets of clamping mechanisms 3 in the vertical direction and the left-right direction. The synchronizing mechanism 4 mainly consists of a flexible connecting piece 41, a reversing wheel 42 and a reversing wheel mounting column 43. The synchronizing mechanism 4 has two arrangements, a basic arrangement and a preferred arrangement.

The basic arrangement (not shown in the figures) of the synchronizing mechanism 4 comprises four flexible connectors 41, four reversing wheels 42 and four reversing wheel mounting columns 43; four reversing wheel mounting columns 43 are fixedly arranged on the disc body 1, and four reversing wheels 42 are rotatably arranged on each reversing wheel mounting column 43; two flexible connectors 41 of the four flexible connectors 41 are used for connecting two sets of clamping mechanisms 3 in the up-down direction, and the other two flexible connectors 41 are used for connecting two sets of clamping mechanisms 3 in the left-right direction, and the specific connection mode is as follows: the lower end of one flexible connecting piece 41 of the two flexible connecting pieces 41 for connecting the two sets of clamping mechanisms 3 arranged up and down is fixedly connected with the left end head of the clamping rod mounting arm 31 positioned below, and the upper end of the flexible connecting piece 41 bypasses one reversing wheel 42 and is fixedly connected with the upper end of the left side of the clamping rod mounting arm 31 positioned above after being tensioned by the reversing wheel 42; the upper end of the other flexible connecting piece 41 is fixedly connected with the right end of the clamping rod mounting arm 31 positioned above, and the lower end of the other flexible connecting piece is wound around one reversing wheel 42, is tensioned by the reversing wheel 42 and is fixedly connected with the lower end of the right side of the clamping rod mounting arm 31 positioned below; so that the two sets of clamping mechanisms 3 moving up and down are synchronized through the two flexible connectors 41. The left end of one flexible connecting piece 41 of the two flexible connecting pieces 41 of the two sets of clamping mechanisms 3 for connecting left and right is fixedly connected with the lower end head of the clamping rod mounting arm 31 positioned on the left, and the right end of the flexible connecting piece 41 bypasses one reversing wheel 42 and is fixedly connected with the right end of the lower side of the clamping rod mounting arm 31 positioned on the right after being tensioned by the reversing wheel 42; the right end of the other flexible connecting piece 41 is fixedly connected with the upper end head of the clamping rod mounting arm 31 positioned on the right side, and the left end of the other flexible connecting piece bypasses one reversing wheel 42, is tensioned by the reversing wheel 42 and is fixedly connected with the left end of the upper side of the clamping rod mounting arm 31 positioned on the left side; so that the two sets of clamping mechanisms 3 in the left and right directions move synchronously through the other two flexible connectors 41.

The preferred arrangement of the synchronizing mechanism 4 is as shown in fig. 3 and 4, and on the basis of the basic arrangement of the synchronizing mechanism 4, four flexible connectors 41, four reversing wheels 42 and four reversing wheel mounting columns 43 are additionally arranged; in this arrangement, the two sets of gripping mechanisms 3 in the up-down direction and the two sets of gripping mechanisms 3 in the left-right direction are respectively connected by four flexible connectors 41, and the detailed connection mode refers to the basic arrangement and is not described again. Compared with the basic arrangement mode, the optimal arrangement mode of the synchronization mechanism 4 has better stability and reliability in working and higher synchronization precision. The flexible connecting member 41 may be a steel belt, a chain, a timing belt, a wire rope, etc., and in this embodiment, the flexible connecting member 41 is preferably a chain.

It can be seen from the foregoing that, compared with the synchronizing assembly of the similar chuck in the prior art, which is composed of the flexible connecting member, the pull rod connected with the flexible connecting member, the reversing wheel mounting post and the like, the synchronizing mechanism 4 of the present embodiment has a simpler structure, is more convenient to mount, and has a lower cost.

The above embodiments are illustrative of the specific embodiments of the present invention, but not limiting to the present invention, and those skilled in the relevant art can also make various changes and modifications to obtain the equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should fall under the protection scope of the present invention.

Claims

1. The utility model provides a laser pipe cutting chuck, includes that middle department is equipped with the disk body of centre bore, fixes locating on the disk body and respectively fix the cylinder that sets up one in the upper and lower, left and right sides position of the centre bore of disk body, respectively with one four sets of fixture that cylinder transmission is connected for the synchronous mechanism of synchronous motion is respectively divided to two sets of fixture about and to about realizing, its characterized in that: the cylinder comprises a cylinder body, a piston rod and two guide rods; the cylinder body comprises an airtight chamber positioned in the middle and guide rod movable chambers respectively positioned at two sides of the airtight chamber, the inner side of the airtight chamber is provided with a piston rod telescopic hole, and the inner side and the outer side of each guide rod movable chamber are respectively provided with a guide rod telescopic hole; the piston rod can stretch and retract depending on a piston rod telescopic hole of the airtight chamber, two guide rods are movably arranged in the two guide rod movable chambers respectively, and the inner end and the outer end of each guide rod can extend out of the guide rod telescopic holes on the inner side and the outer side of the corresponding guide rod movable chamber; each cylinder is connected with a set of clamping mechanism by a piston rod and the inner ends of the two guide rods in a transmission way.

2. The laser pipe cutting chuck according to claim 1, wherein: the clamping mechanism comprises a clamping rod mounting arm, a clamping rod and a clamping roller, wherein the clamping rod and the clamping roller are arranged on the clamping rod mounting arm; each clamping mechanism is fixedly connected with the piston rod of one corresponding cylinder and the inner ends of the two guide rods through a clamping rod mounting arm of the clamping mechanism.

3. The laser pipe cutting chuck according to claim 2, wherein: the synchronous mechanism comprises four flexible connecting pieces, four reversing wheels and four reversing wheel mounting columns; the four reversing wheel mounting columns are fixedly arranged on the disc body, and one reversing wheel is rotatably arranged on each reversing wheel mounting column; two ends of each of two flexible connecting pieces in the four flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the vertical direction, two ends of the other two flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the left-right direction, and each flexible connecting piece bypasses one reversing wheel to realize tensioning and reversing.

4. The laser pipe cutting chuck according to claim 2, wherein: the synchronous mechanism comprises eight flexible connectors, eight reversing wheels and eight reversing wheel mounting columns; the eight reversing wheel mounting columns are fixedly arranged on the disc body, and one reversing wheel is rotatably arranged on each reversing wheel mounting column; and two ends of each of four flexible connecting pieces in the eight flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the vertical direction, two ends of the other four flexible connecting pieces are respectively and fixedly connected with the two clamping rod mounting arms in the left-right direction, and each flexible connecting piece bypasses one reversing wheel to realize tensioning and reversing.

5. The laser pipe cutting chuck according to claim 3 or 4, wherein: the flexible connecting piece is a chain, or a steel belt, or a synchronous belt, or a steel wire rope.